ps2mouse: disable mouse before system shutdown

git-svn-id: svn://kolibrios.org@6241 a494cfbc-eb01-0410-851d-a64ba20cac60

drivers/mouse/ps2mouse4d/trunk/ps2m_iofuncs.inc

@@ -70,10 +70,13 @@ mouse_cmd:
     cmp  ah, 1
     je   .fail
 
+    cmp  [mouse_cmd_byte], 0xF5
+    je .ok
     call mouse_read
 
     cmp  al, 0xFA
     jne  .noack
+.ok:
     clc
     ret
   .noack:

drivers/mouse/ps2mouse4d/trunk/ps2mouse.asm

@@ -22,7 +22,10 @@ entry START
 proc START c, state:dword, cmdline:dword
 
           cmp [state], DRV_ENTRY
-          jne .nothing
+          je .init
+          cmp [state], DRV_EXIT
+          je .fini
+          jmp .nothing
   .init:
 ; disable keyboard and mouse interrupts
 ; keyboard IRQ handler can interfere badly otherwise
@@ -89,6 +92,10 @@ proc START c, state:dword, cmdline:dword
   .nothing:
           xor  eax, eax
           ret
+.fini:
+          mov   al, 0xF5
+          call mouse_cmd
+          ret
 
   .exit:
           mov  bl, 0xA7        ; disable mouse interface